docs: fix doc tag (#10083)

docs/en-US/guide/dev-faq.md

@@ -9,14 +9,14 @@ Here are the problems that are easy to encounter in development.
 
 ## If you encounter dependency related issues
 
-```bash
+```shell
 rm -fr node_modules
 pnpm i
 ```
 
 ## Link local dependencies
 
-```bash
+```shell
 # get dist
 pnpm build
 cd dist/element-plus

docs/en-US/guide/dev-guide.md

@@ -9,7 +9,7 @@ lang: en-US
 
 With command
 
-```bash
+```shell
 pnpm i
 ```
 
@@ -19,7 +19,7 @@ the project will install all dependencies.
 
 With command
 
-```bash
+```shell
 pnpm docs:dev
 ```